class Student:
    """
    使用__init__构造方法，这块属性可以省略不写
    """

    # tel = None
    # age = None
    # name = None

    # 构造方法 def __init__(self):
    def __init__(self, tel, age, name):
        self.tel = tel
        self.age = age
        self.name = name
        print("初始化完毕")


student = Student(18111111111, 20, "张三")

print(student.name)
